PROBLEM TO BE SOLVED: To provide a source code identifying device for facilitating the identification of a source code for a version corresponding to error information.;SOLUTION: An error information extracting unit 12 extracts error information from a stack trace, and a source code information extracting unit 14 extracts source code information from a source code 4. A difference detecting unit 16 detects difference information on the basis of the error information and the source code information. An SCM operation unit 18, by coordinating with an SCM (software configuration management) device 2, identifies a difference generating commit ID based on the difference information, and rolls the source code back up to the version corresponding to the difference generating commit ID.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT
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